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Finding the Fourth Proportional to 2,062.14, 3,093.42 and 891.92

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Solution

The fourth proportional to 2,062.14, 3,093.42 and 891.92 is: 1,337.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,062.14 : 3,093.42 = 891.92 : x
  2. Step 2: Convert to fraction form
    2,062.14/3,093.42 = 891.92/x
  3. Step 3: Cross multiply
    2,062.14x = 3,093.42 × 891.92
  4. Step 4: Simplify right side
    2,062.14x = 2,759,083.17
  5. Step 5: Solve for x
    x = 2,759,083.17/2,062.14
  6. Step 6: Final answer
    x = 1,337.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.